Seat



FIG. 1 is a perspective view of a first embodiment of a seat showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof, the opposite side being a mirror image of the side shown; and,

FIG. 4 is a top plan view.

The rear view forms no part of the claimed design. 

The ornamental design for a seat, as shown and described. 